"Books so special and rare and yours that advertising your affection feels like a betrayal."
The joy of mathematics is in the journey, not just the destination.
过去总是存在，只是有时比其他时候更明显。
水果种植行业需要更多的科技投入，智能化是未来的方向。
A great business at a fair price is superior to a fair business at a great price.
The only way to learn mathematics is to do mathematics.
生活是一系列的时刻，有些好，有些坏，但都很重要。